24192320561 has 2 divisors, whose sum is σ = 24192320562. Its totient is φ = 24192320560.

The previous prime is 24192320489. The next prime is 24192320569. The reversal of 24192320561 is 16502329142.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24061904161 + 130416400 = 155119^2 + 11420^2 .

It is a cyclic number.

It is not a de Polignac number, because 24192320561 - 2¹⁰ = 24192319537 is a prime.

It is not a weakly prime, because it can be changed into another prime (24192320569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12096160280 + 12096160281.

It is an arithmetic number, because the mean of its divisors is an integer number (12096160281).

Almost surely, 2^24192320561 is an apocalyptic number.

It is an amenable number.

24192320561 is a deficient number, since it is larger than the sum of its proper divisors (1).

24192320561 is an equidigital number, since it uses as much as digits as its factorization.

24192320561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 24192320561 in words is "twenty-four billion, one hundred ninety-two million, three hundred twenty thousand, five hundred sixty-one".